16. If the solute passes through the membrane freely, the rejection coefficient (s) is

A. 1
B. 0
C. >1
D. <1

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17. If the membrane rejects all solute, the rejection coefficient (s) is

A. 1
B. 0
C. >1
D. <1

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18. In antibiotic manufacturing processes, the fermentation time ranges from

A. 2-3 weeks
B. 1-2 weeks
C. 4-5 weeks
D. 2-4 weeks

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19. The conventional filtration involves the separation of large particles generally

A. d_p>5μm
B. d_p>10μm
C. d_p>15μm
D. d_p>20μm

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20. Which of the operation does not come under upstream processing?

A. Media preparation
B. Inoculum development
C. Effluent treatment
D. Storage of raw material

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